OEM wheel and tire fitment specs for the 2021 Chevrolet Traverse, including bolt pattern (PCD), center bore diameter, thread size, rim diameter, rim width, wheel offset, and backspacing.
Recorded OEM specifications for the 2021 Chevrolet Traverse, donor years with overlapping ranges, and a calculator to compare a selected wheel. Range overlap is not a guaranteed fit.
Multiple OEM configurations exist for this vehicle. Fitment can vary by trim, brakes, and factory wheel package – confirm your exact setup before buying.
Thread-only product links are shopping examples, not verified fits. Seat style is not confirmed here. As an Amazon Associate we earn from qualifying purchases.
Donor vehicles with overlapping OEM specs
These are vehicle-year records whose recorded OEM ranges overlap this 2021 Chevrolet Traverse. Overlap is not a guarantee that a specific wheel will install. Selected-wheel comparison is in the calculator below.
Evaluated 17 donor years. Listed 17 eligible overlaps (not all evaluated years are compatible). Showing all listed.
Wheel geometryOEM width/offset ranges overlap (not a specific wheel)
Approximate position vs the mid OEM package: outer change -3.18 mm, inner change -3.18 mm. This uses aggregated width/offset ranges, not a specific wheel.
Check wheel configurationCenter-bore records disagree
Bolt pattern6x120 · Same recorded PCD
Center bore66.9 mm · same recorded hub figure
Wheel geometryOEM width/offset ranges overlap (not a specific wheel)
Center-bore records disagree (donor year-level hub 74.5 mm vs trim range 66.9–66.9 mm). Unqualified overlap is not claimed until the conflict is resolved. Approximate position vs the mid OEM package: outer change -3.18 mm, inner change -3.18 mm. This uses aggregated width/offset ranges, not a specific wheel.
Wheel geometryOEM width/offset ranges overlap (not a specific wheel)
Approximate position vs the mid OEM package: outer change 3.18 mm, inner change 3.18 mm. This uses aggregated width/offset ranges, not a specific wheel.
Dataset suggestionHub-centric rings ≈ 100.3 → 66.9 mm – not a verified installation requirement.
Hub-centric rings of about 100.3 → 66.9 mm mm may be relevant if the wheel bore is larger than the hub; clearance is not verified. Donor width/offset sits outside the known OEM envelope for this vehicle. Precomputed data suggested a spacer; geometry was re-checked against OEM envelope.
Check wheel configurationInsufficient or mixed data
Bolt pattern6x120 · Same recorded PCD
Center bore66.9 mm · same recorded hub figure
Wheel geometryNeeds configuration check
Donor width/offset sits outside the known OEM envelope for this vehicle. Precomputed data suggested a spacer; geometry was re-checked against OEM envelope.
Chevrolet Traverse Years With Compatible Wheels
Only years with evidence-based interchange relationships are listed. Adjacent years are not assumed compatible.
Compare a donor vehicle or custom wheel against this 2021 Chevrolet Traverse. Use Compare in calculator on a donor row above to fill the donor side of this same calculator.
Compare
Compare wheel compatibility between two vehicles
Wheels from (donor vehicle)
Selected Car:
Custom wheel size (optional)
Tip: change values here to simulate custom wheels and immediately see the impact in the comparison below.
Custom tire size (optional)
Installed on (your vehicle)
Selected Car:
2021 Chevrolet Traverse
Compare Rims
Specification
Wheels from
Installed on
Result (Click it)
Bolt Pattern
The total number of bolt holes and the diameter of the circle they form.
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6x120
Center Bore
The hole in the center of the wheel that fits over the vehicle’s hub.
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66.9 mm
Thread Size
The size and spacing of the threads on the bolts or nuts that hold the wheel in place.
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M14 x 1.5
Rim Diameter
The wheel diameter in inches that determines which tire sizes will fit.
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18"
Rim Width
The distance between the inner edges of the wheel is measured in inches.
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7.5"
Wheel Offset
How far the wheel sits inward or outward relative to the hub mounting surface.
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50 mm
Backspacing
Shows how much space the wheel takes up toward the inside of the vehicle.
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-
Wheel Fasteners
The type of hardware used to secure the wheel to the vehicle.
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-
Compare Tires
Specification
Wheels from
Installed on
Result (Click it)
Section Width
The width of the tire from sidewall to sidewall, measured in millimeters.
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-
Aspect Ratio
The height of the tire’s sidewall expressed as a percentage of its width.
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-
Diameter
The wheel diameter for which the tire is designed to fit.
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-
Tire Pressure
The recommended air pressure for safe and efficient driving.
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-
Overall Diameter
The total height of the tire and wheel combined affects clearance and speedometer accuracy.
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-
Wheel Fitment Parts for the 2021 Chevrolet Traverse
Example products matched to recorded thread, hub, or spacer dimensions. They are not verified fits. Confirm seat style, thickness, and clearance before ordering.
As an Amazon Associate we earn from qualifying purchases. Product availability and pricing may change.
2021 Chevrolet Traverse Wheel Fitment and Interchange Guide
Known OEM Fitment For 2021 Chevrolet Traverse
The values below reflect known factory wheel and tire specifications for the 2021 Chevrolet Traverse. If your trim differs or has an appearance package, some items may vary. If anything on your vehicle does not match, use the on-page calculator and verify against your owner’s manual and OEM parts sources before buying.
Spec
Value
Bolt pattern
6x120
Center bore
66.9 mm
Thread size
M14 x 1.5
Rim diameter
18 in
Rim width
7.5 in
Wheel offset (ET)
50 mm
Backspacing
5.72 in
Tire size
255/65R18
Approximate stock tire diameter is about 31.1 in, calculated from the provided tire size. This is useful as a baseline when comparing plus-size options in the calculator.
How To Use The Wheel Interchange Calculator
Select the donor vehicle whose wheels you want to try under Wheels from. If the exact vehicle is unknown, enter a custom wheel and tire size that matches the wheels you are considering.
Confirm your vehicle is set as Installed on to 2021 Chevrolet Traverse.
If you want to test aftermarket wheels, open Custom wheel size and enter rim diameter, rim width, and offset. Open Custom tire size to enter section width and aspect ratio.
The calculator shows inner clearance to the suspension and outer poke relative to fenders. It will also update tire overall diameter when you change rim or tire size.
Keep overall tire diameter close to the stock baseline to maintain speedometer and ABS behavior. A common rule is staying within about 3 percent of stock diameter.
Review brake caliper clearance and spoke design. Even with the same bolt pattern and offset, spoke shape can affect caliper clearance.
If results look close, test fit one wheel on the front and rear before mounting tires if possible.
Fitment Checklist Before You Buy
Bolt pattern must be 6x120.
Center bore must seat on 66.9 mm. If the wheel bore is larger, use hub-centric rings sized to 66.9 mm inner diameter. Do not force a smaller bore over the hub.
Thread size is M14 x 1.5. Verify lug nut or bolt style and seat type match the wheel design. Seat type is wheel-dependent and should be confirmed with the wheel seller.
Offset and backspacing must provide adequate inner clearance to struts, control arms, and fender liners. Compare against the stock baseline ET 50 mm and 5.72 in backspacing using the calculator.
Overall tire diameter near stock helps preserve speedometer and transmission shift logic. Use the calculator to compare new vs stock diameter.
Brake caliper clearance must be checked. Spoke design and barrel shape vary by wheel model.
Load rating of the wheel and tire must meet or exceed the vehicle’s GAWR. Check wheel and tire manufacturer data sheets.
TPMS compatibility: plan to transfer, clone, or program sensors compatible with your 2021 Traverse.
Return and test-fit policy: confirm you can test fit before mounting tires if you are unsure.
Plus Sizing And Common Upgrades
The stock baseline is 18x7.5 ET 50 with 255/65R18, about 31.1 in in overall diameter. When plus sizing, aim to keep overall diameter within about 3 percent of stock. That target range is roughly 30.1 in to 32.0 in. The closer you remain to stock, the more likely you avoid rubbing and speedometer error.
Width and offset changes: increasing wheel width pushes both inner and outer edges outward by half the added width. Offset changes shift the entire wheel in or out by the offset difference.
Calculator tip: enter your new width and offset to see inner clearance change and outer poke compared with stock. Balance fender clearance and suspension clearance.
Centering and vibration: if using wheels with a larger hub bore than 66.9 mm, add quality hub-centric rings to reduce the chance of vibration.
Always confirm brake and spoke clearance on the front and rear before committing to a full set.
Installation Tips
Safety first: support the vehicle on rated jack stands on a level surface. Do not rely on a floor jack alone.
Clean the hub face and wheel mounting pad to bare metal. A small wire brush works well. Do not apply grease to wheel studs or bolt threads unless an OEM bulletin for your vehicle says otherwise.
Test fit a bare wheel on front and rear. Spin the wheel by hand to ensure it clears calipers, knuckles, and fender liners.
Install lug nuts by hand to avoid cross-threading. Tighten in a star pattern in stages.
Torque lug nuts to the factory specification listed in your owner’s manual. If the spec is unknown, do not guess. Contact a Chevrolet dealer or consult the service manual.
Re-torque after 50 to 100 miles of driving.
TPMS: swap or program compatible sensors and perform a relearn procedure as required for the 2021 Traverse.
M14 x 1.5 lug nuts or wheel bolts as required by your wheels:
Amazon search Verify seat type matches the wheel.
FAQs
What is the bolt pattern on the 2021 Chevrolet Traverse
6x120.
What center bore do I need for hub-centric fit
66.9 mm. If your aftermarket wheel has a larger bore, use hub-centric rings that reduce to 66.9 mm.
What is the factory wheel offset and size
18x7.5 wheel with ET 50 mm and about 5.72 in backspacing as the known OEM setup provided here.
What is the stock tire size and diameter
255/65R18 with an approximate overall diameter of 31.1 in.
Can I run a different wheel diameter like 19 or 20 inches
Possibly. Use the calculator to keep overall tire diameter close to stock and to check inner and outer clearances. Also confirm brake caliper clearance and load ratings. Fitment can vary by wheel design and tire choice.
Will any 6x120 wheel fit my Traverse
Not necessarily. You must also match or adapt the center bore, choose correct lug hardware, verify offset and backspacing, confirm brake clearance, and ensure adequate load rating.
Do I need hub-centric rings
You need them if the wheel’s center bore is larger than 66.9 mm. Rings improve centering and help prevent vibration.
What lug nut torque should I use
Consult your owner’s manual or an OEM service manual for the 2021 Chevrolet Traverse. Do not guess a torque spec.
How much overall diameter change is acceptable
A common guideline is within about 3 percent of the stock diameter. Use the calculator to compare exact values.
Methodology and sources
Wheel interchange depends on more than bolt pattern. Where data is available, this site compares recorded OEM values:
Bolt pattern / PCD
Center bore direction (donor wheel bore must not be smaller than the hub)
Wheel diameter, width, and offset against known OEM ranges
A normal wheel spacer does not change bolt pattern. Hub rings cannot enlarge a wheel bore that is smaller than the hub. Brake clearance and tire package fitment still require vehicle-specific checks when not confirmed in the dataset.
